@apiratorjs/locking-redis
Version:
An extension to the core @apiratorjs/locking library, providing Redis-based implementations of distributed mutexes and semaphores for true cross-process concurrency control in Node.js.
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TypeScript
import { types } from "@apiratorjs/locking";
import { RedisClientType } from "redis";
import { IReleaser } from "@apiratorjs/locking/dist/src/types";
import { BaseDistributedPrimitive } from "./base-distributed-primitive";
export declare class RedisDistributedMutex extends BaseDistributedPrimitive implements types.IDistributedMutex {
/**
* Holds the random lock token if we successfully acquire it.
* Using a random token helps ensure that only the owner can release.
*/
private _lockValue?;
constructor(props: types.DistributedMutexConstructorProps & {
redisClient: RedisClientType;
});
destroy(): Promise<void>;
acquire(params?: types.AcquireParams): Promise<IReleaser>;
cancel(errMessage?: string): Promise<void>;
isLocked(): Promise<boolean>;
runExclusive<T>(fn: () => Promise<T> | T): Promise<T>;
runExclusive<T>(params: types.AcquireParams, fn: () => Promise<T> | T): Promise<T>;
protected tryAcquire(timeoutMs: number): Promise<types.AcquireToken | undefined>;
private throwIfDestroyed;
protected release(token: types.AcquireToken): Promise<void>;
}
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